/* ═══════════════════════════════════════════════════
   COMPONENTS.CSS — Reusable UI components
   Horizon Travel System
   ═══════════════════════════════════════════════════ */

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
  transition:
    background-color 0.15s var(--ease-out),
    border-color 0.15s var(--ease-out),
    box-shadow 0.15s var(--ease-out),
    transform 0.1s var(--ease-out);
}
.btn:focus-visible {
  outline: 2px solid var(--color-secondary-container);
  outline-offset: 3px;
}
.btn:active { transform: scale(0.97); }

/* Primary — teal, reserved for main CTAs */
.btn--primary {
  background-color: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}
.btn--primary:hover {
  background-color: #00a1e8;
  box-shadow: 0 4px 14px rgba(0,176,253,0.35);
}

/* CTA — slightly bolder variant for nav signup */
.btn--cta {
  background-color: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  font-size: 13px;
}
.btn--cta:hover { background-color: #00a1e8; }

/* Outline — navy border on light backgrounds */
.btn--outline {
  background: transparent;
  color: var(--color-primary-container);
  border: 1.5px solid var(--color-primary-container);
}
.btn--outline:hover { background: var(--color-surface-low); }

/* Ghost light — for use on dark (navy) backgrounds */
.btn--ghost-light {
  background: transparent;
  color: rgba(255,255,255,0.82);
  border: 1.5px solid rgba(255,255,255,0.28);
}
.btn--ghost-light:hover { background: rgba(255,255,255,0.1); }

/* Sizes */
.btn--sm { padding: 7px 14px; font-size: 13px; }
.btn--lg { padding: 14px 32px; font-size: 16px; }

/* ── Coming-soon nav links ───────────────────────── */
.nav__link--soon {
  position: relative;
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.72);
  display: inline-flex; align-items: center; gap: 5px;
}
.nav__link--soon::after {
  content: 'Soon';
  font-size: 9px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  background: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.8);
  border-radius: 4px;
  padding: 1px 5px;
  line-height: 1.6;
}

/* ── Form fields ──────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  position: relative;
}

.field__label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  user-select: none;
  pointer-events: none;
}

.field__input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--color-outline-variant);
  border-radius: 0;
  padding: 7px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-on-surface);
  outline: none;
  transition: border-color 0.15s var(--ease-out);
}
.field__input::placeholder { color: var(--color-outline); font-weight: 400; }
.field__input:focus        { border-bottom-color: var(--color-secondary-container); }

/* IATA code shown as a subtle hint when airport is selected */
.field__iata {
  position: absolute;
  right: 0;
  bottom: 9px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary-container);
  opacity: 0.5;
  pointer-events: none;
}

/* Pax trigger button uses field__input appearance */
.field__pax-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  text-align: left;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  padding: 7px 0;
  border-bottom: 1.5px solid var(--color-outline-variant);
  transition: border-color 0.15s;
}
.field__pax-btn:focus,
.field__pax-btn[aria-expanded="true"] {
  border-bottom-color: var(--color-secondary-container);
  outline: none;
}

/* ── Autocomplete list ────────────────────────────── */
.autocomplete-list {
  position: absolute;
  top: calc(100% + 8px);
  left: -12px;
  right: -12px;
  background: var(--color-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-high);
  z-index: 500;
  max-height: 300px;
  overflow-y: auto;
  padding: 6px 0;
  scrollbar-width: thin;
}
.autocomplete-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.1s;
}
.autocomplete-list li:hover,
.autocomplete-list li[aria-selected="true"] { background: var(--color-surface-low); }
.autocomplete-list li.ac-divider {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--color-on-surface-variant); padding: 10px 16px 4px; cursor: default;
}
.autocomplete-list li.ac-divider:hover { background: transparent; }

.ac-code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-primary-container);
  min-width: 40px;
  flex-shrink: 0;
}
.ac-city    { font-size: 14px; font-weight: 500; display: block; }
.ac-airport { font-size: 12px; color: var(--color-on-surface-variant); display: block; }

/* ── Passenger counter ────────────────────────────── */
.counter {
  display: flex;
  align-items: center;
  gap: 14px;
}
.counter-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-outline-variant);
  background: white;
  font-size: 18px;
  line-height: 1;
  color: var(--color-primary-container);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}
.counter-btn:hover { border-color: var(--color-secondary-container); }
.counter-btn:disabled { opacity: 0.32; cursor: not-allowed; }
.counter-val {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  min-width: 22px;
  text-align: center;
  color: var(--color-on-surface);
}

/* ── Chips ────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  background: var(--color-surface-high);
  color: var(--color-on-surface-variant);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  user-select: none;
}
.chip:hover { background: var(--color-surface-highest); }
.chip--active {
  background: var(--color-primary-container);
  color: var(--color-on-primary);
  border-color: var(--color-primary-container);
}

/* ── Skeleton loader ──────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-highest) 25%,
    var(--color-surface-high) 50%,
    var(--color-surface-highest) 75%
  );
  background-size: 400% 100%;
  animation: shimmer 1.6s ease infinite;
  border-radius: var(--radius);
}

/* ── Badge ────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge--urgent { background: #fff3e0; color: #e65100; }
.badge--success { background: var(--color-success-container); color: var(--color-success); }
.badge--info { background: var(--color-surface-low); color: var(--color-secondary); }

/* ── Divider ──────────────────────────────────────── */
.divider { height: 1px; background: var(--color-outline-variant); }

/* ─── Site Footer ─────────────────────────────────── */
.site-footer {
  background: var(--color-inverse-surface);
  padding: 56px 0 0;
  margin-top: 48px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: white;
  letter-spacing: -0.02em;
}
.footer-brand__logo {
  height: 40px;
  width: auto;
  margin-bottom: 14px;
  display: block;
}
.footer-brand__desc {
  font-size: 14px;
  color: rgba(255,255,255,0.48);
  line-height: 1.7;
  max-width: 260px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.footer-col__heading {
  font-size: 12px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-link {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.52);
  text-decoration: none;
  margin-bottom: 11px;
  transition: color 0.15s;
}
.footer-link:hover { color: white; }
.footer-link--soon { opacity: 0.32; cursor: not-allowed; pointer-events: none; }
.footer-bottom { padding: 20px 0; }

.footer-newsletter {
  display: flex;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  overflow: hidden;
}
.footer-email-input {
  flex: 1;
  background: rgba(255,255,255,0.08);
  border: none;
  padding: 10px 12px;
  color: white;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.footer-email-input::placeholder { color: rgba(255,255,255,0.38); }
.footer-email-btn {
  background: linear-gradient(135deg, #0055cc, #0088ff);
  border: none;
  padding: 0 14px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: filter 0.15s;
}
.footer-email-btn:hover { filter: brightness(1.12); }

@media (max-width: 960px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
}